2004 INFINITI FX35 check engine

ENGINE OIL
LU-7
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Revision: 2004 November 2004 FX35/FX45
ENGINE OILPFP:KLA92
InspectionABS004SU
ENGINE OIL LEVEL
NOTE:
Before starting engine, check engine oil level. If engine is already started, stop it and allow 10 minutes before
checking.
1. Put vehicle horizontally.
2. Pull out oil level gauge and wipe it clean.
3. Insert oil level gauge and make sure engine oil level is within the
range shown in the figure.
4. If it is out of range, adjust it.
NOTE:
When checking engine oil level, insert oil level gauge with its tip
aligned with oil level gauge guide on cylinder head. (In figure, air
cleaner case and air duct are removed.)
ENGINE OIL APPEARANCE

Check engine oil for white turbidity or heavy contamination.

If engine oil is milky, it is highly probable that it is contaminated with engine coolant. Repair the broken
parts.
ENGINE OIL LEAKAGE
Check for engine oil leakage around the following areas:

Oil pan

Oil pan drain plug

Oil pressure switch

Oil filter

Oil cooler

Water pump cover

Chain tensioner cover

Intake valve timing control cover and intake valve timing control solenoid valve

Mating surface between cylinder block and cylinder head

Mating surface between cylinder head and rocker cover

Mating surface between front timing chain case and rear timing chain case

Mating surface between rear timing chain case and cylinder block and cylinder head

Crankshaft oil seal (front and rear)
PBIC0249E
KBIA1343E

LU-8
[VQ35DE]
ENGINE OIL
Revision: 2004 November 2004 FX35/FX45
OIL PRESSURE CHECK
WARNING:

Be careful not to burn yourself, as engine oil may be hot.

Put selector lever in the Park “P” position.
1. Check engine oil level. Refer to LU-7, "
ENGINE OIL LEVEL" .
2. Remove front engine undercover with power tool.
3. Disconnect oil pressure switch harness connector.
4. Remove oil pressure switch.
5. Install oil pressure gauge (SST) and hose (SST).
6. Start engine and warm it up to normal operating temperature.
7. Check engine oil pressure with engine running under no-load.
NOTE:
When engine oil temperature is low, engine oil pressure becomes high.
Engine oil pressure [Engine oil temperature at 80 °C (176 °F)]
If difference is extreme, check engine oil passage and oil pump for engine oil leaks.
8. After the inspections, install oil pressure switch as follows:
a. Remove old liquid gasket adhering to oil pressure switch and the mating surface.
b. Apply liquid gasket and tighten oil pressure switch to specification.
SBIA0452E
SBIA0453E
SLC926
Engine speed (rpm)
Approximate discharge pressure [kPa (kg/cm2 , psi)]
Idle speed More than 98 (1.0, 14)
2,000 More than 294 (3.0, 43)

ENGINE OIL
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Revision: 2004 November 2004 FX35/FX45
Use Genuine RTV Silicone Sealant or equivalent. Refer to GI-48, "RECOMMENDED CHEMICAL
PRODUCTS AND SEALANTS" .
Changing Engine OilABS004SV
WARNING:

Be careful not to burn yourself, as engine oil may be hot.

Prolonged and repeated contact with used engine oil may cause skin cancer; try to avoid direct
skin contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand
cleaner as soon as possible.
1. Remove front engine undercover with power tool.
2. Warm up engine, and check for engine oil leakage from engine components. Refer to LU-7, "
ENGINE OIL
LEAKAGE" .
3. Stop engine and wait for 10 minutes.
4. Remove drain plug and oil filler cap.
5. Drain engine oil.
6. Install drain plug with new washer. Refer to EM-30, "
OIL PAN AND OIL STRAINER" .
CAUTION:
Be sure to clean drain plug and install with new washer.
7. Refill with new engine oil.
Engine oil specification and viscosity:
Refer to MA-12, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
Engine oil capacity (Approximate):
Unit: (US qt, lmp qt)
CAUTION:

The refill capacity depends on the engine oil temperature and drain time. Use these specifica-
tions for reference only.

Always use oil level gauge to determine the proper amount of engine oil in engine.
8. Warm up engine and check area around drain plug and oil filter for engine oil leakage.
9. Stop engine and wait for 10 minutes.
10. Check the engine oil level. Refer to LU-7, "
ENGINE OIL LEVEL" . Oil pressure switch:
: 14.8 N·m (1.5 kg-m, 11 ft-lb)
Oil pan drain plug:
: 34.3 N·m (3.5 kg-m, 25 ft-lb)
Drain and refill With oil filter change 4.7 (5, 4-1/8)
Without oil filter change 4.4 (4-5/8, 3-7/8)
Dry engine (Overhaul)5.4 (5-3/4, 4-3/4)

LU-10
[VQ35DE]
OIL FILTER
Revision: 2004 November 2004 FX35/FX45
OIL FILTERPFP:15208
Removal and InstallationABS004SW
REMOVAL
1. Remove front engine undercover with power tool.
2. Using oil filter wrench (SST), remove oil filter.
CAUTION:

Oil filter is provided with a relief valve.
Use genuine NISSAN oil filter or equivalent.

Be careful not to get burned when engine and engine oil
are hot.

When removing, prepare a shop cloth to absorb any
engine oil leakage or spillage.

Do not allow engine oil to adhere to drive belts.

Completely wipe off any engine oil that adhere to engine
and vehicle.
INSTALLATION
1. Remove foreign materials adhering to oil filter installation surface.
2. Apply engine oil to the oil seal contact surface of new oil filter.
3. Screw oil filter manually until it touches the installation surface,
then tighten it by 2/3 turn. Or tighten to specification.
INSPECTION AFTER INSTALLATION
1. Start engine, and check there is no leak of engine oil.
2. Stop engine and wait for 10 minutes.
SBIA0454E
SBIA0455E
SMA010
Oil filter:
: 17.7 N·m (1.8 kg-m, 13 ft-lb)
SMA229B

OIL FILTER
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Revision: 2004 November 2004 FX35/FX45
3. Check the engine oil level and add engine oil. Refer to LU-7, "ENGINE OIL" .

LU-12
[VQ35DE]
OIL FILTER BRACKET (AWD)
Revision: 2004 November 2004 FX35/FX45
OIL FILTER BRACKET (AWD)PFP:15238
Removal and InstallationABS007ZS
REMOVAL
WARNING:
Be careful not to burn yourself, as engine oil may be hot.
1. Remove front engine undercover with power tool.
2. Using oil filter wrench [SST: KV10115801 (J-38956)], remove oil filter. Refer to LU-10, "
OIL FILTER" .
3. Remove oil cooler connector bolt, and then oil cooler.
4. Disconnect oil temperature sensor and oil pressure switch harness connector.
5. Remove oil filter bracket from oil pan (upper).
6. Remove oil temperature sensor and oil pressure switch from oil filter bracket.
INSTALLATION
Note to the following, and install in the reverse order of removal.

Install oil pressure switch and oil temperature sensor as follows:
–Remove old liquid gasket adhering to oil pressure switch and oil filter bracket.
–Apply liquid gasket and install oil pressure switch, and then oil temperature sensor with a new washer.
Use Genuine RTV Silicone Sealant or equivalent. Refer to GI-48, "
RECOMMENDED CHEMICAL
PRODUCTS AND SEALANTS" .

Align cutout on oil cooler with protrusion on oil filter bracket. Refer to LU-16, "INSTALLATION" .
INSPECTION AFTER INSTALLATION
1. Check the engine oil level and add engine oil. Refer to LU-7, "ENGINE OIL" .
1. Oil filter 2. Connector bolt 3. Oil cooler
4. O-ring 5. Relief valve 6. Oil filter bracket
7. Gasket 8. Oil pressure switch 9. Oil temperature sensor
10. Washer 11. Oil pan (upper)
SBIA0593E

OIL FILTER BRACKET (AWD)
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Revision: 2004 November 2004 FX35/FX45
2. Start engine, and check there is no leak of engine oil.
3. Stop engine and wait for 10 minutes.
4. Check the engine oil level again. Refer to LU-7, "
ENGINE OIL"

OIL COOLER
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Revision: 2004 November 2004 FX35/FX45
AWD MODEL
REMOVAL
WARNING:
Be careful not to burn yourself, as engine oil and engine coolant may be hot.
1. Remove front engine undercover with power tool.
2. Disconnect water hoses from oil cooler pinching water hoses near oil cooler to prevent engine coolant
from spilling out.

Remaining engine coolant in piping will come out. Use a tray to collect it.
CAUTION:
Do not spill engine coolant on drive belt.
3. Using oil filter wrench [SST: KV10115801 (J-38956)], remove oil filter. Refer to LU-10, "
OIL FILTER" .
4. Remove connector bolt, and remove oil cooler.
INSPECTION AFTER REMOVAL
Oil Cooler
Check oil cooler for cracks. Check oil cooler for clogging by blowing through engine coolant inlet. If necessary,
replace oil cooler.
Relief Valve
Inspect relief valve for movement, cracks and breaks by pushing ball. If replacement is necessary, remove
relief valve by prying it out with a suitable tool. Install a new relief valve in place by tapping it.
1. Oil filter 2. Connector bolt 3. Oil cooler
4. O-ring 5. Relief valve 6. Oil filter bracket
7. Water hose 8. Water hose 9. Water pipe
10. Water hose
SBIA0584E